linux-kernel - Re: [PATCH v2] ASoC: Add a sanity check before using dai driver name

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Date:   Thu, 24 Aug 2017 12:44:12 +0800
From:   jeffy <jeffy.chen@...k-chips.com>
To:     Donglin Peng <dolinux.peng@...il.com>
CC:     linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        tiwai@...e.de, Jaroslav Kysela <perex@...ex.cz>,
        alsa-devel@...a-project.org, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH v2] ASoC: Add a sanity check before using dai driver name

Hi Dong,

Thanks for noticing, will send new patch soon :)

On 08/24/2017 11:46 AM, Donglin Peng wrote:
> On Thu, Aug 24, 2017 at 11:34 AM, Jeffy Chen <jeffy.chen@...k-chips.com> wrote:
>>                  list_for_each_entry(dai, &component->dai_list, list) {
>>                          if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)
>> -                           && strcmp(dai->driver->name, dlc->dai_name))
>> +                           && (!dai->driver->name
>> +                               || !strcmp(dai->driver->name, dlc->dai_name))
>>                                  continue;
>
> If the dai->driver->name is match with the dlc->dai_name, does it need
> to continue?

hmm, sorry, i did this in a hurry, should setup my board and test it..
>
>>
>>                          return dai;
>
>
>